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Shuhei Doi

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  • Yokkaichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water-absorptive resin composition
    • Patent number 4,977,211
    • Issue date Dec 11, 1990
    • Mitsubishi Pertochemical Co., Ltd.
    • Shuhei Doi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ethylene copolymer
    • Patent number 4,778,866
    • Issue date Oct 18, 1988
    • Mitsubishi Petrochemical Co., Ltd.
    • Takeo Shimada
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ethylene copolymer
    • Patent number 4,617,365
    • Issue date Oct 14, 1986
    • Mitsubishi Petrochemical Co., Ltd.
    • Akiyoshi Oonishi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production of foam
    • Patent number 4,456,704
    • Issue date Jun 26, 1984
    • Sekisui Kaseihin Kogyo Kabushiki Kaisha
    • Mikio Fukumura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Crosslinkable polyethylene resin composition
    • Patent number 4,446,283
    • Issue date May 1, 1984
    • Mitsubishi Petrochemical Company Limited
    • Shuhei Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ethylene polymer compositions that are flame retardant
    • Patent number 4,397,981
    • Issue date Aug 9, 1983
    • Mitsubishi Petrochemical Company Limited
    • Shuhei Doi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Laminate films and sheets of crosslinked polyethylene resins
    • Patent number 4,351,876
    • Issue date Sep 28, 1982
    • Mitsubishi Petrochemical Company Limited
    • Shuhei Doi
    • B32 - LAYERED PRODUCTS